https://neuroidss.github.io/NEURO-CULTIVATION/

This project relies on a custom ultra-high-density EEG device, NOT a standard medical or consumer EEG headset.

Device Name: FreeEEG16-alpha2
Form Factor: 26mm diameter circular PCB.
Electrode Array: 18 pogo pins tightly packed within the 26mm area.

16 Active Positive Channels (+)
1 Common Reference (-)
1 Ground (GND)

32 differential channels simultaneous sampling,
0.2 mcV RMS noise on shorted channels at 512 SPS,
4xAD7771BCPZ 64 kSPS,
STM32H743ZIT6 MCU 1027 DMIPS,
isolated USB, UART, SPI,
SD-Card,

FreeEEG32 + alpha1.5 32 channels 5min eyes closed, https://github.com/neuroidss/FreeEEG32-alpha1.5/blob/master/OpenVIBE/gdf...,

Mobile transcranial altering current stimulator.
For implement results shown in paper about working memory increase with stimulation of 6 and 80 herz.

Spatial Working Memory in Humans Depends on Theta and High Gamma Synchronization in the Prefrontal Cortex
https://www.cell.com/current-biology/fulltext/S0960-9822%2816%2930358-X